Still not convinced

I like to see your 80 non duplicated cases.

Any way to think it is to cut the round permutation into half to generate the first scenario.

所有跟帖： 

• You are right, should be C(6,3)/2*2*2 + 6!/6=160. two parts 10 c -jinjing- ♀ (96 bytes) () 05/04/2012 postreply 10:35:30

• Thanks -Slowguy- ♂ (0 bytes) () 05/04/2012 postreply 10:50:22